diff --git a/include/battle_anim.h b/include/battle_anim.h
index 6ff7e9ff22..36b21bc012 100644
--- a/include/battle_anim.h
+++ b/include/battle_anim.h
@@ -347,7 +347,6 @@ extern const union AnimCmd *const gAnims_WaterPulseBubble[];
 
 // battle_anim_flying.c
 void DestroyAnimSpriteAfterTimer(struct Sprite *sprite);
-void sub_810E2C8(struct Sprite *sprite);
 void AnimAirWaveCrescent(struct Sprite *sprite);
 void AnimFlyBallUp(struct Sprite *sprite);
 void AnimFlyBallAttack(struct Sprite *sprite);